Activity3

Middle cardiac muscle layer of heart wall is _______.

• Pericardium

• Myocardium

• Endocardium

Left side of the heart pumps for ____ circulation.

• Systemic

• Pulmonary

• Atrium

• Ventricle

Receives blood from the left atrium and pumps it into the aorta.

• Left Ventricle

• Left Atrium

• Right Ventricle

• Right Atrium

All are true about Systemic Circuit, EXCEPT.

• Blood is O2 rich, CO2 poor.

• Blood is CO2 poor, O2 rich.

• Carries blood from heart to body tissues

• Pump for the systemic circulation.

This prevents the back flow of blood as it is pumped from the left atrium to the left ventricle.

• Tricuspid valve

• Bicuspid valve

• Aortic Semilunar Valve

• Pulmonary Semilunar Valve

Second step in cardiac cycle.

• The impulse passes to the AV bundle and separates into right and left bundle branches.

• The impulse travels into the Purkinje fibers covering the ventricles, causing them to contract, forcing blood into the aorta and pulmonary artery.

• The SA node, located in the upper RA and is the pacemaker of the heart, initiates the heartbeat.

• The AV node, located in lower interatrial septum, receives the electrical impulse and both the right and left atria contract forcing blood into the ventricles.

Normal resting heart rate of athletes in top condition.

• 70-110 bpm

• 40-60 bpm

• 80-120 bpm

• 70-190bpm

Identify.

• Basophil

• Neutrophil

• Lymphocyte

• Monocyte

• Neutrophil

• Lymphocyte

• Basophil

• Eosinophil

Identify the picture.

• Lymphocyte

• Monocyte

• Neutrophil

• Basophil